package nettyTest.netty3Test.test1;

import io.netty.bootstrap.ServerBootstrap;
import io.netty.channel.ChannelFuture;
import io.netty.channel.ChannelInitializer;
import io.netty.channel.ChannelOption;
import io.netty.channel.EventLoopGroup;
import io.netty.channel.nio.NioEventLoopGroup;
import io.netty.channel.socket.SocketChannel;
import io.netty.channel.socket.nio.NioServerSocketChannel;
import io.netty.handler.codec.string.StringDecoder;
import io.netty.handler.codec.string.StringEncoder;

import java.net.InetSocketAddress;

public class ServerDemo1A {

	private int port;

	public ServerDemo1A(int port) {
		this.port = port;
	}

	public void start() {
		EventLoopGroup bossGroup = new NioEventLoopGroup(1);
		EventLoopGroup workerGroup = new NioEventLoopGroup();
		try {
			ServerBootstrap sbs = new ServerBootstrap().group(bossGroup, workerGroup).channel(NioServerSocketChannel.class).localAddress(new InetSocketAddress(port)).childHandler(new ChannelInitializer<SocketChannel>() {

				protected void initChannel(SocketChannel ch) throws Exception {
					// ch.pipeline().addLast("framer", new
					// DelimiterBasedFrameDecoder(8192,
					// Delimiters.lineDelimiter()));
					ch.pipeline().addLast("decoder", new StringDecoder());
					ch.pipeline().addLast("encoder", new StringEncoder());
					ch.pipeline().addLast(new ServerHandlerDemo1A());
				};

			}).option(ChannelOption.SO_BACKLOG, 128).childOption(ChannelOption.SO_KEEPALIVE, true);
			// 绑定端口，开始接收进来的连接
			ChannelFuture future = sbs.bind(port).sync();

			System.out.println("Server start listen at " + port);
			future.channel().closeFuture().sync();
		} catch (Exception e) {
			bossGroup.shutdownGracefully();
			workerGroup.shutdownGracefully();
		}
	}

	public static void main(String[] args) throws Exception {
		int port;
		if (args.length > 0) {
			port = Integer.parseInt(args[0]);
		} else {
			port = 8080;
		}
		new ServerDemo1A(port).start();
	}
}
